Home / 216,619,895.88-298,933,686.98-117,500,395.16

Finding the Fourth Proportional to 216,619,895.88, 298,933,686.98 and 117,500,395.16

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Solution

The fourth proportional to 216,619,895.88, 298,933,686.98 and 117,500,395.16 is: 162,149,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,619,895.88 : 298,933,686.98 = 117,500,395.16 : x
  2. Step 2: Convert to fraction form
    216,619,895.88/298,933,686.98 = 117,500,395.16/x
  3. Step 3: Cross multiply
    216,619,895.88x = 298,933,686.98 × 117,500,395.16
  4. Step 4: Simplify right side
    216,619,895.88x = 35,124,826,346,785,748
  5. Step 5: Solve for x
    x = 35,124,826,346,785,748/216,619,895.88
  6. Step 6: Final answer
    x = 162,149,585.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.